Hip Roof Ventilation Problems

However perspective roofers have various opinions on how to properly vent a hip roof with soffit intakes.

Hip roof ventilation problems.

Foot requires cobra exhaust vent structure of 17. What is the optimal ventilation for a hip roof we have a hip roof in need of replacement and there is discrepancy in the ventilation suggestions. Inches per linear foot 19 051 mm 2 lm of net free ventilating area to help exhaust heat and moisture from the attic. Ridge vents do not always provide the proper ventilation in some homes.

Ventilation in a hipped roof is challenging to achieve. It provides 9 sq. An attic room of 1 200 sq. Hip ridge vent.

One contractor is recommending 2 attic fans and a ridge vent one is recommending 1 attic fan and a ridge vent and one is recommending 1 attic fan and 2 box vents. The effect of ridge vents for the roof depends upon the energy efficient nature of the structure. One method is to use a powered attic vent with a humidistat thermostat located close to the ridge or top of the roof. A powered attic fan and install a ridge vent b ridge vent only and install.

List of the cons of roof ridge vents. Here are the three options presented. We are basically starting over and can install any type of attic exhaust system we wish. It provides exhaust along the roof s hip allowing maximum airflow and uniform air movement throughout the attic space and its uni directional construction allows for easy installation.

It is more expensive to build a hipped roof. A hip roof must be at a specific pitch in windy areas. And in many of these cases the hip roof forms a large volumetric attic space to ventilate. Cobra hip vent provides effective ventilation on hip roofs with little or no ridge area.

The low profile shingle over design blends in with the hip of the roof allowing the vent to appear almost invisible from the ground. In extreme situations this disadvantage could lead to problems with the roof coming off despite the fact that it requires additional materials to create. We re going to have new plywood sheathing and shingles installed on our hip roof.